Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities assumed at the acquisition date.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

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Business Combinations - VRV Narratives (Details) € in Millions, $ in Millions			12 Months Ended
	Nov. 15, 2018 USD ($)	Nov. 15, 2018 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Nov. 15, 2018 EUR (€)
Business Acquisition
Payment for acquisition of businesses, net of cash acquired			$ 225.8	$ 446.1	$ 1.4
Borrowings on revolving credit facilities	$ 160.3	€ 140.0	$ 411.7	302.2	$ 3.8
Weighted-average estimated useful life			14 years
VRV
Business Acquisition
Total consideration	213.3	188.7
Payment for acquisition of businesses, net of cash acquired	141.3	125.0
Debt assumed	4.9					€ 4.4
Payment of outstanding debt	$ 72.0	€ (63.7)
Weighted-average estimated useful life	9 years	9 years
Pro forma sales			$ 1,200.0	$ 950.0
VRV \| Minimum
Business Acquisition
Weighted-average estimated useful life	2 years	2 years
VRV \| Maximum
Business Acquisition
Weighted-average estimated useful life	12 years	12 years